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Status published
High
CVE-2019-20907
In Lib/tarfile.py in Python through 3.8.3, an attacker is able...
Vulnerability Description
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT4AF72TJ2XNIKCR4WEBR7URBJJ4YZRD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAXHCY4V3LPAAJOBCJ26ISZ4NUXQXTUZ/
- https://usn.ubuntu.com/4428-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3TALOUBYU2MQD4BPLRTDQUMBKGCAXUA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSL3XWVDMSMKO23HR74AJQ6VEM3C2NTS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE4O3PNDNNOMSKHNUKZKD3NGHIFUFDPX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TOGKLGTXZLHQQFBVCAPSUDA6DOOJFNRY/
- https://security.gentoo.org/glsa/202008-01
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDKKRXLNVXRF6VGERZSR3OMQR5D5QI6I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILCHHTNLH4GG4GSQBX2MZRKZBXOLCKE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTBKKOLFFNHG6CM4ACDX4APHSD5ZX5N4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNHPQGSP2YM3JAUD2VAMPXTIUQTZ2M2U/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V53P2YOLEQH4J7S5QHXMKMZYFTVVMTMO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CTUNTBJ3POHONQOTLEZC46POCIYYTAKZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36XI3EEQNMHGOZEI63Y7UV6XZRELYEAU/
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00056.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/
- https://lists.debian.org/debian-lts-announce/2020/11/msg00032.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://bugs.python.org/issue39017
- https://github.com/python/cpython/pull/21454
- https://security.netapp.com/advisory/ntap-20200731-0002/
- https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html
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Affected Vendor
python
View all reports →Affected Software
python, leap, debian linux, fedora, ubuntu linux, active iq unified manager, cloud volumes ontap mediator, zfs storage appliance kit
Vulnerable Versions:
3.5.0, 3.6.0, 3.7.0, 3.8.0, 15.1, 15.2, 9.0, 31, 32, 12.04, 14.04, 16.04, 18.04, 20.04, 9.5, 8.8
Timeline
Official Publish:
July 13th, 2020
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.